Escargot - Escargot is a custom server that makes old versions of MSN Messenger and Windows Live Messenger work again.
4talk Messenger - 4talk is a free cloud messaging service for mobile devices and desktop computers
Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
Swift XMPP Client - Swift is an elegant, secure, adaptable and intuitive XMPP client, with features that make it...
LAN Messenger - LAN Messenger is a decentralized UDP IM-style chat client which supports usernames...
KouChat - KouChat is a simple serverless chat client for local area networks (wifi).